The prupose of this cruise was:
1. Carry out a gravity survey in the SE corner of the Bay of Biscay
2. Reverse a refraction line.
3. Carry out a two ship seismic experiment with the Florence of the Institut Francais du Petrole, France.
4. To test a Lamont type airgun to carry out a controlled seismic reflection profile with airgun over a reversed refraction line.

Chief scientist

F Gray (University of Cambridge Department of Earth Sciences)

Coordinating body

NERC

Cruise report

(0.28 MB)

Ocean/sea areas

General

Bay of Biscay

Specific

Bay of Biscay

Track charts

(00 MB)

Measurements

Physical oceanography

Surface drifters/drifting buoys

Quantity: number of recoveries = 2Description: dan buoy

Surface drifters/drifting buoys

Quantity: number of deployments = 2Description: dahn buoy

Geology and geophysics

Gravity measurements

Description: Askania gravimeter

Other geological/geophysical measurements

Quantity: number of experiments = 2Description: shots using Aquaseis: 38 shots aquaseis at 2.5min intervals and 41 aquaseis at 1.5min